/* 练习1样式 */
.one{
	background-color: ghostwhite;
	margin: 10px 75px;
}
/* 设置每个span标签 */
.one span{
    font-family: Arial, sans-serif;
    font-weight: bold;
    font-size: 72px; 
}
.one .G {
	margin-left: 550px;
    color: #4285F4;
}
.one .o1 {
    color: #EA4335; 
}
.one .o2 {
    color: #FBBC05; 
}
.one .g{
    color: #4285F4;
}
.one .l {
	color: #34A853;
 
}
.one .e {
    color: #EA4335; 
}
/* 练习2 */
.two {
    background-color: azure;
    margin: 10px 75px;
}
/* 太阳设置 */
.two .sun {
    background-color: gold;
    width: 250px;
    height: 250px;
    border-radius: 50%;
    box-shadow: 0 0 30px rgba(255, 215, 0, 0.6);/* 设置光晕 */
    margin-left: 550px; /* 居中显示 */
    /* transform: translateX(-50%); */
    transition: all 2s linear 2s; /* 动画效果 */
}
.sun:hover {
	box-shadow:inset 50px 50px 50px 50px rgb(134, 134, 134);
}
.three{
	background-color: beige;
	margin: 10px 75px;
}

.D2{
    margin-top: 25px;
    margin-bottom: 0px;
    margin-left: 0px;
    margin-right:0px;
    display: flex;
    justify-content: center;
}
ui{
    
    list-style: none;
    margin: 0;
    padding: 0;
}
li{
    font-size: 30px;
    font-family: "宋体";
    border-bottom: 1px solid black;
    border-top: 8px solid orange; 
    padding-left:50px;
    padding-right: 50px ;
    padding-bottom: 40px;
    padding-top: 40px;
    list-style: none;
    display: inline;
    float:left;
}
li:hover{
    background-color: rgb(128,128,128);
}
.D2 a{
    color: black;
}
.four{
	background-color: burlywood;
	margin: 10px 75px;
}/* 
.four .nav{
    width: 100%;
    height: 50px;
} */

.four .content{
	margin-left: 300px;
}
.four ul{
	
	    list-style: none;
	
}
.ul1 li{
    position: relative;
    float: left;
    line-height: 50px;
}
.ul1 li a{
    display: inline-block;
	text-decoration: none;
    height: 50px;
    color: #000;
    padding-left: 30px;
    padding-right: 30px;
    border-left:1px solid #000;
}
.ul2{
    display: none;
    position: absolute;
    width: 100%;
    height: 150px;
    top: 50px;
    background-color:rgb(128,128,128);
}
.ul2 li{
    line-height: 50px;
}
.ul2 li a{
	text-decoration: none;
    width: 100%;
    display: block;
    text-align: center;
}
.ul1 li:hover .ul2{
    display: block;
}
.ul2 li a:hover{
    background-color: green;
}



